ISSET(9) - NetBSD Manual Pages

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SET(9)                 NetBSD Kernel Developer's Manual                 SET(9)


NAME

     SET -- primitive bit macros


SYNOPSIS

     #include <sys/types.h>

     void
     SET(val, x);

     int
     ISSET(val, x);

     void
     CLR(val, x);


DESCRIPTION

     These macros define three standard bit operations:

           1.   SET() sets the set bits from x in val;

           2.   CLR() clears the set bits from x in val; and

           3.   ISSET() returns true if any of the set bits from x are set in
                val.


SEE ALSO

     bits(3)


BUGS

     The rationale is to provide clarity in the source code, but arguably
     these operations are clear enough without the use of the macros.

NetBSD 10.99                   December 13, 2015                  NetBSD 10.99